Home / 307,736.50-424,691.04-173,600.50

Finding the Fourth Proportional to 307,736.50, 424,691.04 and 173,600.50

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Solution

The fourth proportional to 307,736.50, 424,691.04 and 173,600.50 is: 239,576.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,736.50 : 424,691.04 = 173,600.50 : x
  2. Step 2: Convert to fraction form
    307,736.50/424,691.04 = 173,600.50/x
  3. Step 3: Cross multiply
    307,736.50x = 424,691.04 × 173,600.50
  4. Step 4: Simplify right side
    307,736.50x = 73,726,576,889.52
  5. Step 5: Solve for x
    x = 73,726,576,889.52/307,736.50
  6. Step 6: Final answer
    x = 239,576.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.